SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A sample of a substance has a mass of 7.3 g and a volume of 2.8 cm3. What is the objects density?
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2.61 g/cm3
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10.1 g/cm3
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0.38 g/cm3
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20.44 g/cm3
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Explanation:
Detailed explanation-1: -✒ Therefore, Density of the substance = 2.7 g/cm³.
Detailed explanation-2: -The mass of the solution is 38.75 grams.
Detailed explanation-3: -D = m / V; D = 38.6 g / 2 cm3 = 19.3 g / cm3. Due to the chart, the unknown sample is gold. Gold is a soft metal which is malleable and ductile.
There is 1 question to complete.